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Learn about amphibians, the small vertebrates that need water or a moist environment to survive. See photos, videos, and stories of frogs, toads, salamanders, newts, and caecilians.
Hace 6 días · Learn about amphibians, the vertebrate animals that can live in water and on land. Find out how they evolved, what they look like, and how they reproduce in this comprehensive article from Britannica.
Amphibians are ectothermic, anamniotic, four-limbed vertebrate animals that constitute the class Amphibia. In its broadest sense, it is a paraphyletic group encompassing all tetrapods, excluding the amniotes (tetrapods with an amniotic membrane, such as modern reptiles, birds, and mammals).
Los anfibios (Amphibia, del griego ἀμφί, amphí ('ambos') y βίος, bíos ('vida'), que significa «ambas vidas» o «en ambos medios») son una clase de animales vertebrados anamniotas (sin amnios, al igual que los peces), tetrápodos, ectotérmicos, con respiración branquial durante la fase larvaria y pulmonar al alcanzar el estado ...
28 de oct. de 2022 · Learn about amphibians, the vertebrates that can live both on land and in water. Discover their unique traits, different types, and see photos of various amphibians.
Common features. Representative amphibians. Although the structure of the muscular, skeletal, and other anatomical systems are specifically modified for each group, amphibians are often set apart from other groups of animals by their characteristic skin, or integument, and evolutionary advances in vision and hearing.
